2026-03-19 08:07.12: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-x86_64:debian-13-5.4+flambda_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1dOpam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/mirage-flow.git" -b "main" && cd "mirage-flow" && git reset --hard c0efad0fcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d# debian-13-5.4+flambda_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam ./RUN opam pin add -yn mirage-flow.dev './' && \opam pin add -yn mirage-flow-unix.dev './' && \opam pin add -yn mirage-flow-combinators.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-19 08:07.12: Using cache hint "mirage/mirage-flow-ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d-debian-13-5.4+flambda_opam-2.5-780b4bef07bd0539cb20b4fb8c3f3bb0"2026-03-19 08:07.12: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d)(comment debian-13-5.4+flambda_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))(run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-03-19 08:07.12: Waiting for resource in pool OCluster2026-03-19 16:25.44: Waiting for worker…2026-03-19 16:39.57: Got resource from pool OClusterBuilding on eumacheAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d)2026-03-19 16:41.38 ---> using "b55e6c75cd3e8053866e4459977add5a75875074668e87228d5137df1d1d0c8a" from cache/: (comment debian-13-5.4+flambda_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-03-19 16:41.38 ---> using "d4c2c0c8461e9c3383d6285052d701a8ab317fe832e447cd3dd38626dcc154c7" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-03-19 16:41.38 ---> using "113b7a0e8fbdf6ff2f463b8b2751bb4deb393bbe44ccb78164b217477640f8d9" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-131-genericThe OCaml toplevel, version 5.4.02.5.02026-03-19 16:41.38 ---> using "2af332d58f4ecb4fc68528d5f48a466b8d805917068b0e2ad5cfdaa7cad2dff5" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-19 16:41.38 ---> using "ca628454b2b87260f34828cc9b7f413c5d250a6fc95415f734a90060ce2d5bbe" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4f056bfedf..9f189ca4f9 master -> origin/master9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-03-19 16:41.38 ---> using "3baa7e5b85203a39292a1aed90134a7534ca056451e52c2b25bc6eb549cbf72d" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-03-19 16:41.39 ---> saved as "74c35946e4ff2ec6a2267ca64293a4ebdbbee205516d7c0baa2a65a986115948"/src: (run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))[mirage-flow.dev] synchronised (file:///src)mirage-flow is now pinned to file:///src (version dev)[mirage-flow-unix.dev] synchronised (file:///src)mirage-flow-unix is now pinned to file:///src (version dev)[mirage-flow-combinators.dev] synchronised (file:///src)mirage-flow-combinators is now pinned to file:///src (version dev)2026-03-19 16:41.52 ---> saved as "d52963d8192513bef9850da43ec011d4515c502916c9d966f74d791216b42307"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-19 16:41.54 ---> saved as "5eb9599d8d1ee03add29f7db36f30a65a61417e102f5f3ca553394973fca3268"/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://deb.debian.org/debian trixie InRelease- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [115 kB]- Fetched 206 kB in 0s (1009 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mirage-flow.dev] synchronised (file:///src)[mirage-flow-combinators.dev] synchronised (file:///src)[mirage-flow-unix.dev] synchronised (file:///src)[NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-03-19 16:42.18 ---> saved as "09f227e6765707bdaa35fd95a7d9396e274f0c1cfe973bd937338d07fa040f28"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 22 packages- install alcotest 1.9.1- install astring 0.8.5- install base-bytes base- install cmdliner 2.1.0- install cppo 1.8.0- install csexp 1.5.2- install cstruct 6.2.0- install dune 3.22.0- install dune-configurator 3.22.0- install fmt 0.11.0- install logs 0.10.0- install lwt 6.1.1- install mirage-mtime 5.2.0- install mtime 2.1.0- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install re 1.14.0- install stdlib-shims 0.3.0- install topkg 1.1.1- install uutf 1.0.4<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved mirage-mtime.5.2.0 (cached)-> retrieved lwt.6.1.1 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved re.1.14.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached)-> installed cmdliner.2.1.0-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed ocamlbuild.0.16.1-> installed topkg.1.1.1-> installed mtime.2.1.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.22.0-> installed csexp.1.5.2-> installed cstruct.6.2.0-> installed mirage-mtime.5.2.0-> installed stdlib-shims.0.3.0-> installed ocaml-syntax-shims.1.0.0-> installed cppo.1.8.0-> installed re.1.14.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.22.0-> installed alcotest.1.9.1-> installed lwt.6.1.1-> installed logs.0.10.0Done.# To update the current shell environment, run: eval $(opam env)2026-03-19 16:44.38 ---> saved as "46048321f47c3c7a930403d11084c117d0abe821abf433f4d2be6d9dd0b15603"/src: (copy (src .) (dst /src))2026-03-19 16:44.40 ---> saved as "771e0624479b9555f4b71f741667aaaa81a927f2b7a9919a47c00967768fa1ce"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && ./test.exe)Testing `mirage-flow'.This run has ID `H4BMEKNR'.[OK] string 0 input.[OK] string 1 output.[OK] strings 0 input.[OK] strings 1 output.[OK] cstruct 0 input.[OK] cstruct 1 output.[OK] cstructs 0 input.[OK] cstructs 1 output.[OK] lwt-io 0 input.[OK] lwt-io 1 output.Full test results in `/src/_build/default/test/_build/_tests/mirage-flow'.Test Successful in 0.001s. 10 tests run.2026-03-19 16:44.44 ---> saved as "6a6868edaa8f663af9c53ab2ba632378eaeda0898942f5d2aa92853c168293f2"Job succeeded2026-03-19 16:44.44: Job succeeded